Edge-rounding method and apparatus therefor

Details Edge-rounding method and apparatus therefor Edge-rounding method and apparatus therefor

1985-04-23

1987-03-24

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51326, 51 97R, B24B 900

Patent

active

046514716

ABSTRACT:
An edge-rounding method and an apparatus therefor, for chamfering the peripheral edge of a workpiece having a planar surface by causing the peripheral edge to be be engaged under pressure with a grinding surface of a grinding device. The grinding device employed is of two types, one type being a grinding cylinder having a grinding surface and the other type being an abrasive tape having an abrasive surface and moved around a rotary drum. The edge-rounding is performed on the workpiece so as to satisfy the relationship of [(x/r)-(L/2r)]<0.015, wherein r represents the radius of the grinding surface, L represents the minimum dimension of the planar surface during the rotation of the workpiece and x represents the distance between the plane in which the workpiece pivots and the axis of rotation of the grinding device.

REFERENCES:
patent: 3321871 (1967-05-01), Balamuth et al.
patent: 4216628 (1980-08-01), Wada
patent: 4461121 (1984-07-01), Motzer et al.
patent: 4520595 (1985-06-01), Diener

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